Sun Xingming

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After analyzing the PDF file and PS file, a novel information-hiding algorithm based on the Page Object of PDF file is proposed. First, a piece of PS code will be finished in PS file to create a new Page Object of PDF, and then the secret information is camouflaged to form the attribute value of the new object. The embedding and extracting of information in(More)
A copy-move forged image results from a specific type of image tampering procedure carried out by copying a part of an image and pasting it on one or more parts of the same image generally to maliciously hide unwanted objects/regions or clone an object. Therefore, detecting such forgeries mainly consists in devising ways of exposing identical or relatively(More)
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